update to 1.9.2.20/3.6.20
mozilla-implicit-declarations.patch fixes gcc rpmlint issue
mozilla-curl.patch removes obsolete header dependency needed
pref("config.lockdown.printsetup", false);
pref("config.lockdown.savepage", false);
pref("config.lockdown.hidebookmark", false);
pref("config.lockdown.bookmark", false);
pref("config.lockdown.history", false);
pref("config.lockdown.history.set", false);
pref("config.lockdown.urlbar", false);
pref("config.lockdown.searchbar", false);
pref("config.lockdown.toolbarediting", false);